ATI Performance Products, Inc. is proud to introduce its Super Damper for the 2011 Mustang GT with the newly released 5.0L Coyote engine. In an effort to stay ahead of the competition, ATI is the first to offer an acceptable dampening solution for this newly popular and well reviewed engine. The 2011 damper is offered in an OEM replacement diameter (918047) with dual 6 rib serpentine drive pulleys to run the Mustang accessories. The damper also includes provisions for bolt on crank pulleys from most popular supercharger companies. The Mustang damper comes with laser-etched timing marks and exceeds SFI 18.1 Safety Certification.